{
  "name": "us-coin-melt-value-history",
  "title": "US Coin Melt Value History, 1960 to 2026",
  "description": "Monthly melt values for 30 US coins, January 1960 to September 2026, with the underlying monthly metal prices and gold price per gram by karat.",
  "version": "2026.10",
  "homepage": "https://meltvalue.com/data/us-coin-melt-value-history",
  "licenses": [
    {
      "name": "CC-BY-4.0",
      "path": "https://creativecommons.org/licenses/by/4.0/",
      "title": "Creative Commons Attribution 4.0"
    }
  ],
  "contributors": [
    {
      "title": "MeltValue.com",
      "path": "https://meltvalue.com/",
      "role": "author"
    }
  ],
  "sources": [
    {
      "title": "World Bank Commodity Price Data (The Pink Sheet), edition updated October 2, 2026",
      "path": "https://www.worldbank.org/en/research/commodity-markets"
    }
  ],
  "keywords": [
    "coin melt value",
    "silver coins",
    "gold price",
    "silver price",
    "penny",
    "precious metals"
  ],
  "created": "2026-11-03T00:00:00Z",
  "resources": [
    {
      "name": "us_coin_melt_values_monthly",
      "path": "us_coin_melt_values_monthly.csv",
      "format": "csv",
      "mediatype": "text/csv",
      "schema": {
        "fields": [
          {
            "name": "month",
            "type": "yearmonth",
            "description": "Month, YYYY-MM"
          },
          {
            "name": "coin",
            "type": "string",
            "description": "Coin name"
          },
          {
            "name": "primary_metal",
            "type": "string",
            "description": "silver, gold, platinum, copper or zinc"
          },
          {
            "name": "composition",
            "type": "string",
            "description": "Alloy"
          },
          {
            "name": "years_minted",
            "type": "string",
            "description": "Years the coin was struck"
          },
          {
            "name": "fine_content_troy_oz",
            "type": "number",
            "description": "Pure precious metal content in troy ounces; empty for base-metal coins"
          },
          {
            "name": "melt_value_usd",
            "type": "number",
            "description": "Metal value in USD at the month's average price"
          },
          {
            "name": "face_value_usd",
            "type": "number",
            "description": "Face value in USD"
          },
          {
            "name": "melt_to_face_ratio",
            "type": "number",
            "description": "melt_value_usd / face_value_usd"
          }
        ]
      }
    },
    {
      "name": "coin_melt_milestones",
      "path": "coin_melt_milestones.csv",
      "format": "csv",
      "mediatype": "text/csv",
      "schema": {
        "fields": [
          {
            "name": "coin",
            "type": "string",
            "description": "Coin name"
          },
          {
            "name": "primary_metal",
            "type": "string",
            "description": "Main metal"
          },
          {
            "name": "face_value_usd",
            "type": "number",
            "description": "Face value in USD"
          },
          {
            "name": "first_month_in_data",
            "type": "yearmonth",
            "description": "First month with a row for this coin"
          },
          {
            "name": "first_month_melt_above_face",
            "type": "yearmonth",
            "description": "First month melt value exceeded face value; empty if never"
          },
          {
            "name": "melt_above_face_continuously_since",
            "type": "yearmonth",
            "description": "Start of the current unbroken run above face value; empty if below face now"
          },
          {
            "name": "peak_ratio_month",
            "type": "yearmonth",
            "description": "Month of the highest melt-to-face ratio"
          },
          {
            "name": "peak_melt_to_face_ratio",
            "type": "number",
            "description": "Highest melt-to-face ratio"
          },
          {
            "name": "latest_month",
            "type": "yearmonth",
            "description": "Most recent month in the data"
          },
          {
            "name": "latest_melt_value_usd",
            "type": "number",
            "description": "Melt value in the latest month, USD"
          },
          {
            "name": "latest_melt_to_face_ratio",
            "type": "number",
            "description": "Melt-to-face ratio in the latest month"
          }
        ]
      }
    },
    {
      "name": "metal_prices_monthly",
      "path": "metal_prices_monthly.csv",
      "format": "csv",
      "mediatype": "text/csv",
      "schema": {
        "fields": [
          {
            "name": "month",
            "type": "yearmonth",
            "description": "Month, YYYY-MM"
          },
          {
            "name": "gold_usd_per_troy_oz",
            "type": "number",
            "description": "Gold, monthly average, USD per troy ounce"
          },
          {
            "name": "silver_usd_per_troy_oz",
            "type": "number",
            "description": "Silver, monthly average, USD per troy ounce"
          },
          {
            "name": "platinum_usd_per_troy_oz",
            "type": "number",
            "description": "Platinum, monthly average, USD per troy ounce"
          },
          {
            "name": "copper_usd_per_metric_ton",
            "type": "number",
            "description": "Copper, monthly average, USD per metric ton"
          },
          {
            "name": "nickel_usd_per_metric_ton",
            "type": "number",
            "description": "Nickel, monthly average, USD per metric ton"
          },
          {
            "name": "zinc_usd_per_metric_ton",
            "type": "number",
            "description": "Zinc, monthly average, USD per metric ton"
          }
        ]
      }
    },
    {
      "name": "gold_price_per_gram_by_karat_monthly",
      "path": "gold_price_per_gram_by_karat_monthly.csv",
      "format": "csv",
      "mediatype": "text/csv",
      "schema": {
        "fields": [
          {
            "name": "month",
            "type": "yearmonth",
            "description": "Month, YYYY-MM"
          },
          {
            "name": "gold_usd_per_troy_oz",
            "type": "number",
            "description": "Gold, monthly average, USD per troy ounce"
          },
          {
            "name": "24k_usd_per_gram",
            "type": "number",
            "description": "24K (99.9%) gold, USD per gram"
          },
          {
            "name": "22k_usd_per_gram",
            "type": "number",
            "description": "22K (91.67%) gold, USD per gram"
          },
          {
            "name": "18k_usd_per_gram",
            "type": "number",
            "description": "18K (75%) gold, USD per gram"
          },
          {
            "name": "14k_usd_per_gram",
            "type": "number",
            "description": "14K (58.33%) gold, USD per gram"
          },
          {
            "name": "10k_usd_per_gram",
            "type": "number",
            "description": "10K (41.67%) gold, USD per gram"
          }
        ]
      }
    }
  ]
}